Deleting a Field from Content Type and its list

private bool DeleteAttributeLabel(string AttributeLabelName)

{

try

{

using (SPSite p_site = new SPSite(SharePointURL))

{

using (SPWeb p_web = p_site.OpenWeb())

{

SPContentType ct = p_web.ContentTypes["VideoBankContentType"];

SPField fld = p_web.Fields[AttributeLabelName];

DeleteFieldRefFromContentType(ct, fld);

fld.Delete();

SPList list = p_web.Lists[AttributeLabelName];

list.Delete();

}

}

return true;

}

catch (Exception ex)

{

return false;

}

}

private bool DeleteFieldRefFromContentType(SPContentType contentType, SPField field)

{

try

{

//Check if the Field reference exists

if (contentType.Fields.ContainsField(field.Title))

{

contentType.FieldLinks.Delete(field.Title);

contentType.Update(true);

}

else

{

//Do Nothing

}

return true;

}

catch (Exception ex)

{

return false;

}

}

}